Disposable sterile guide needles
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Classification :
Disposable sterile guide needles belong to the second kind of passive medical devices, which are mainly used to probe tissues or puncture tissues to establish passages, and are provided in a sterile state and used once. Is clinical minimally invasive intervention, drainage and puncture.
Key auxiliary tools in surgery. Its core function is to provide accurate guiding path and support for catheter, drainage tube or other interventional instruments during the operation, and help doctors to establish a body surface to target tissue or body cavity.
(1) Scope of application
Used to explore tissue or puncture tissue to establish a passage.
(2) Model and specification
2.1 Common specifications: Divided into triangular type, inclined type and hollow type according to the shape; According to the specifications, it is divided into 13G, 14G, 15G, 16G, 17G, 18G, 19G, 20G, 21G, 22G and 24G.
2.2 Sterilization method: usually sterilized by ethylene oxide, and sterility assurance level (SAL ≤ 10) shall be verified.
(3) Structural composition
Comprise a needle tube, a liner, a needle seat and a sheath tube. Usually consists of needle body (needle tube), handle (needle seat) and sheath, which can be divided into straight type and Y type; Straight type can be equipped with needle core, Y type without needle core. Needles and cores are mostly used. Made of austenitic stainless steel, the handle is made of ABS and PC materials.
(4) Main features
4.1 Aseptic safety: The product is sterilized by ethylene oxide (EO) and provided in a sterile state, with no pyrogen, acute systemic toxicity, hemolysis and sensitization, which effectively reduces the risk of postoperative infection.
4.2 Disposable use: repeated use is strictly prohibited, and the hidden danger of cross-infection is completely eliminated, which conforms to the modern hospital infection control standards.
4.3 High precision and flexibility: exquisite design and complete specifications (common specifications cover 13G to 24G and other apertures), which can meet the guidance requirements of catheters or drainage tubes with different thicknesses, and adapt to blood vessels, nerves, orthopedics and soft tissue and other surgical scenes.
4.4 Good biocompatibility: The materials are strictly screened to ensure no adverse stimulation to human tissues.
(5) Scope of application and clinical application
Disposable sterile guide needle is mainly used to explore tissue or puncture tissue to establish access. Specific application scenarios include:
5.1 Drainage operation: It is used in conjunction with drainage kit to provide guidance and support during puncture in thoracic cavity,
abdominal cavity, kidney and other parts to ensure accurate placement of drainage tube.
5.2 Vascular intervention: Assist guide wire or catheter to enter blood vessels for operations such as angiography and stent implantation.
5.3 Neurointervention: Assisting positioning and guidance in neurosurgery.
5.4 Orthopedic surgery: auxiliary bone puncture or fixation operation.
(6) Matters needing attention
6.1 Before use, please carefully check whether the package is in good condition and confirm that the product is within the validity period and in a sterile state.
6.2 Only for one-time use. After use, it shall be disposed of according to the medical waste disposal regulations.
6.3 The operation shall be carried out by professionally trained professional medical personnel in a sterile environment.
6.4 If ethylene oxide is used for sterilization, it is necessary to ensure that the residue meets the national standards (usually ≤10mg/kg or more stringent standards) to ensure the safety of patients.
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